Update app.py

app.py

@@ -409,8 +409,8 @@ class Application:
         default = self.setting(config, name, default)
 
         st.caption(label)
-        st.code(default=="True", language="yaml")
-        return default == "True"
+        st.markdown(":white_check_mark:" if default else ":white_large_square:")
+        return default
 
     def select(self, label, component, config, name, options, default=0):
         """
@@ -694,6 +694,8 @@ class Application:
                 # Generate export button after workflow is complete
                 _, config = self.yaml(components)
                 st.download_button("Export", config, file_name="workflow.yml", help="Export the API workflow as YAML")
+        else:
+            st.info(":arrow_left: Select a workflow from the sidebar")
 
 
 if __name__ == "__main__":